if (null == propertyName) { final String message = "Property attribute must be specified."; throw new BuildException(message); } if (null == requiredExtension) { final String message = "Extension element must be specified."; throw new BuildException(message); }
if (null == antfile) { final String message = "Must specify Buildfile"; throw new BuildException(message); } if (null == destfile) { final String message = "Must specify destination file"; throw new BuildException(message); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/JarLibResolveTask.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/resolvers/AntResolver.java
Method name: void validate() Method name: void validate()
Number of AST nodes: 6 Number of AST nodes: 6
1
if (null == propertyName) {
1
if (null == antfile) {
2
            final String message = "Property attribute must be specified.";
2
            final String message = "Must specify Buildfile";
3
            throw new BuildException(message);
3
            throw new BuildException(message);
4
        }
4
        }
5
        if (null == requiredExtension) {
5
        if (null == destfile) {
6
            final String message = "Extension element must be specified.";
6
            final String message = "Must specify destination file";
7
            throw new BuildException(message);
7
            throw new BuildException(message);
8
        }
8
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.4
Clones locationClones are in different classes
Number of node comparisons28
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (null == propertyName)
    1
    if (null == propertyName)
    1
    if (null == antfile)
    Differences
    Expression1Expression2Difference
    propertyNameantfileVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.io.FileVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable propertyName does not match with type java.io.File of variable antfile
    • Make classes java.lang.String and java.io.File extend a common superclass
    1
    if (null == antfile)
    2
    final String message = "Property attribute must be specified.";
    2
    final String message = "Property attribute must be specified.";
    2
    final String message = "Must specify Buildfile";
    Differences
    Expression1Expression2Difference
    "Property attribute must be specified.""Must specify Buildfile"LITERAL_VALUE_MISMATCH
    2
    final String message = "Must specify Buildfile";
    3
    throw new BuildException(message);
    3
    throw new BuildException(message);
    4
    if (null == requiredExtension)
    4
    if (null == requiredExtension)
    4
    if (null == destfile)
    Differences
    Expression1Expression2Difference
    requiredExtensiondestfileVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.optional.extension.Extensionjava.io.FileVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.optional.extension.Extension of variable requiredExtension does not match with type java.io.File of variable destfile
    • Make classes org.apache.tools.ant.taskdefs.optional.extension.Extension and java.io.File extend a common superclass
    4
    if (null == destfile)
    5
    final String message = "Extension element must be specified.";
    5
    final String message = "Extension element must be specified.";
    5
    final String message = "Must specify destination file";
    Differences
    Expression1Expression2Difference
    "Extension element must be specified.""Must specify destination file"LITERAL_VALUE_MISMATCH
    5
    final String message = "Must specify destination file";
    6
    throw new BuildException(message);
    6
    throw new BuildException(message);
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String of variable propertyName does not match with type java.io.File of variable antfile
    2Type org.apache.tools.ant.taskdefs.optional.extension.Extension of variable requiredExtension does not match with type java.io.File of variable destfile
    3The refactoring of the clones is infeasible, because classes org.apache.tools.ant.taskdefs.optional.extension.JarLibResolveTask and org.apache.tools.ant.taskdefs.optional.extension.resolvers.AntResolver do not have a common superclass